The former X-Factor judge is accused of setting up the deal with Sun on Sunday journalist Mazher Mahmood and her ex-boyfriend Mike 'GLC' Coombs.

It is alleged that she boasted about knowing drug dealers when she met the reporter in Las Vegas last March and two months later at the Metropolitan Hotel in London on May 10.

As part of a sting Mr Mahmood told Tulisa that he was film producer 'Samir Khan' and could provide her with a big break in a Hollywood film alongside Leonardo Di Caprio. Jeremy Dein QC, defending, asked Mr Mahmood if he had deliberately tried to befriend her in an attempt to to make her feel comfortable around him.

(Photo: FameFlynet)

He asked: "Did you on more than one occasion have your hand on Miss Contostavlos's thigh?" "Not at all," replied Mr Mahmood from behind the screen.

Mr Dein continued: "What is happening is that you were seeking to create a friendly atmosphere?" Again, Mr Mahmood responded: "Not at all." Tulisa's lawyer also suggested that when Mr Mahmood met with her on May 10, he had bought her drinks with double shots of alcohol in an attempt to get her drunk and cause her to incriminate herself.

The journalist denied this, saying it would have been a bad idea for the singer to get drunk as she believed she was trying to secure a film role. Jurors heard that after the meeting Mr Mahmood's driver, Mr Smith, took her home.

Mr Mahmood firmly replied: "No I did not." Mr Dein continued: "Mr Smith made a statement to the police saying that in the car Miss Contostavlos was talking about drugs and saying that a member of her family had a drug problem and she disapproved of drugs. "All I want to know is if you discussed that with Mr Smith at any stage?"

Having initially said he had discussed the matter with his driver, Mr Mahmood later said he had not, prompting repeated questions about which answer was true.

He eventually said that he had talked to the driver about his unhappiness at his June 24 police statement, but not about the details it contained.

Concluding this cross-examination, Mr Dein put it to the reporter that had not cared about what means he had deployed in getting the story and was only concerned that the subterfuge produced sensational headlines. He said: "In getting this world exclusive you couldn't care less about whether what you did was proper or improper."

Mr Mahmood replied: "Not at all. I have acted within the guidelines." Tulisa, who is being tried under her real name Tula, denies one count being concerned in the supply of class A drugs between May 10 and May 23 last year.